Finding the Fourth Proportional to 80,880.73, 111,602.31 and 45,069.82

Step by Step Solution

1. Step 1: Write the proportion equation
   80,880.73 : 111,602.31 = 45,069.82 : x
2. Step 2: Convert to fraction form
   80,880.73/111,602.31 = 45,069.82/x
3. Step 3: Cross multiply
   80,880.73x = 111,602.31 × 45,069.82
4. Step 4: Simplify right side
   80,880.73x = 5,029,895,575.27
5. Step 5: Solve for x
   x = 5,029,895,575.27/80,880.73
6. Step 6: Final answer
   x = 62,189.05